#737FEC
Closest named color: Cornflower (#6A79F7). oklch(63.9% 0.162 276.1), rgb(115, 127, 236).
Aa
Black text reads best on this color (5.97:1).
About this color
#737FEC is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.162 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.027 away. Black text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #737FEC |
| RGB | rgb(115, 127, 236) |
| HSL | hsl(234, 76%, 69%) |
| OKLCH | oklch(63.9% 0.162 276.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #737FEC | 3.51:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #737FEC | 5.97:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #737FEC text on white | 3.51:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #737FEC text on black | 5.97:1 | AA | Lc -39.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF4
oklch(80.9% 0.079 275.7)
-
Step 400
400
#8C99EF
oklch(70.8% 0.126 276.1)
-
Step 500
500 (this color)
#737FEC
oklch(63.9% 0.162 276.1)
-
Step 600
600
#5B63D8
oklch(55.6% 0.177 276.1)
-
Step 700
700
#4B51BB
oklch(49% 0.164 276.1)
-
Step 800
800
#3D4397
oklch(42.6% 0.136 275.9)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#737FEC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4F8EF0 | 0.050 |
| Deuteranopia (no green cones) | #4284EA | 0.052 |
| Tritanopia (no blue cones) | #3F97AA | 0.143 |
| Achromatopsia (no color) | #898989 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737FEC
#737FEC
oklch(63.9% 0.162 276.1)
- #A48A00
#A48A00
oklch(63.8% 0.131 95.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #737FEC, closest first.
No curated palette has a color within ΔE 0.04 of #737FEC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.027
- Soft Blue #6488EA ΔE 0.028
- Lavender Blue #8B88F8 ΔE 0.045
- Periwinkle #8E82FE ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.057
- Medium Purple #9370DB ΔE 0.059
Use #737FEC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.